22431423003 has 32 divisors (see below), whose sum is σ = 34083528192. Its totient is φ = 12989433600.

The previous prime is 22431422999. The next prime is 22431423017. The reversal of 22431423003 is 30032413422.

It is not a de Polignac number, because 22431423003 - 2² = 22431422999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22431423073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 695413 + ... + 726953.

It is an arithmetic number, because the mean of its divisors is an integer number (1065110256).

Almost surely, 2^22431423003 is an apocalyptic number.

22431423003 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22431423003 is a deficient number, since it is larger than the sum of its proper divisors (11652105189).

22431423003 is a wasteful number, since it uses less digits than its factorization.

22431423003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32515.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 22431423003 its reverse (30032413422), we get a palindrome (52463836425).

The spelling of 22431423003 in words is "twenty-two billion, four hundred thirty-one million, four hundred twenty-three thousand, three".